[Tutor] pure function problem

[Roelof Wobben]

----------------------------------------
> From: steve at pearwood.info
> To: tutor at python.org
> Date: Fri, 24 Sep 2010 13:00:40 +1000
> Subject: Re: [Tutor] pure function problem
>
> Roelof, please learn to delete unnecessarily quoted text. There's no
> need to quoted the entire discussion every time you answer.
>
> On Fri, 24 Sep 2010 06:20:25 am Roelof Wobben wrote:
>
>> time = tijd()
> [...]
>> print time(uitkomst)
>
> Why are you calling time as a function, when it is a tijd instance?
>
>
>
>
> --
> Steven D'Aprano
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Hello Steve,
 
I found this in my tutorial.
 
13.8. Instances as return values¶
Functions can return instances. For example, find_center takes a Rectangle as an argument and returns a Point that contains the coordinates of the center of the Rectangle:
def find_center(box):
    p = Point()
    p.x = box.corner.x + box.width/2.0
    p.y = box.corner.y - box.height/2.0
    return p
To call this function, pass box as an argument and assign the result to a variable:
>>> center = find_center(box)
>>> print_point(center)
(50.0, 100.0)

 
So i followed it but appearently not the good way.
 
Roelof